private static MvcHtmlString ExtCheckBoxListSingleColumnFor <TModel, TValue>(this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, IEnumerable <TValue> > > expression, IEnumerable <SelectListItem> values,
IEnumerable <TValue> selectedIds, object htmlAttributes = null)
{
var isDisabled = false;
var html = htmlAttributes == null
? new RouteValueDictionary()
: new RouteValueDictionary(htmlAttributes);
if (html["disabled"] != null && html["disabled"].ToString() == "disabled")
{
isDisabled = true;
}
var selectedValues = selectedIds.Select(x => x.ToString()).ToList();
var variableName = ExpressionHelper.GetExpressionText(expression);
var stringBuilder = new StringBuilder();
foreach (var selectListItem in values)
{
var itemName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(variableName);
var itemId = itemName + CustomControlHelper.GetControlCount(itemName);
var divBuilder = new TagBuilder("div");
divBuilder.AddCssClass("checkbox");
if (isDisabled)
{
divBuilder.AddCssClass("disabled");
}
var labelBuilder = new TagBuilder("label");
labelBuilder.MergeAttribute("for", itemId);
var inputBuilder = new TagBuilder("input");
if (selectedValues.Contains(selectListItem.Value))
{
inputBuilder.MergeAttribute("checked", "checked");
}
if (isDisabled)
{
inputBuilder.MergeAttribute("disabled", "disabled");
}
inputBuilder.MergeAttribute("id", itemId);
inputBuilder.MergeAttribute("name", itemName);
inputBuilder.MergeAttribute("type", "checkbox");
inputBuilder.MergeAttribute("value", selectListItem.Value);
var labelInner = inputBuilder + selectListItem.Text;
labelBuilder.InnerHtml = labelInner;
divBuilder.InnerHtml = labelBuilder.ToString();
stringBuilder.Append(divBuilder);
}
return(CustomControlHelper.GenerateWithValidationMessage(htmlHelper, stringBuilder.ToString(), expression));
}
public static MvcHtmlString ExtCheckBoxListFor <TModel, TValue>(this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, IEnumerable <TValue> > > expression, IEnumerable <SelectListItem> values,
IEnumerable <TValue> selectedIds, int columnNumber = 1, object htmlAttributes = null)
{
if (columnNumber <= 1)
{
return(htmlHelper.ExtCheckBoxListSingleColumnFor(expression, values, selectedIds, htmlAttributes));
}
var isDisabled = false;
var html = htmlAttributes == null
? new RouteValueDictionary()
: new RouteValueDictionary(htmlAttributes);
if (html["disabled"] != null && html["disabled"].ToString() == "disabled")
{
isDisabled = true;
}
var variableName = ExpressionHelper.GetExpressionText(expression);
var itemName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(variableName);
var selectedValues = selectedIds.Select(x => x.ToString()).ToList();
var selectListItems = values.ToList();
var rowNumber = selectListItems.Count / columnNumber + 1;
var tableBuilder = new TagBuilder("table");
for (var rowIndex = 0; rowIndex < rowNumber; rowIndex++)
{
var trBuilder = new TagBuilder("tr");
for (var columnIndex = 0; columnIndex < columnNumber; columnIndex++)
{
var itemIndex = rowIndex * columnNumber + columnIndex;
if (itemIndex >= selectListItems.Count)
{
break;
}
var itemId = itemName + CustomControlHelper.GetControlCount(itemName);
var inputBuilder = new TagBuilder("input");
inputBuilder.MergeAttribute("id", itemId);
inputBuilder.MergeAttribute("name", itemName);
inputBuilder.MergeAttribute("type", "checkbox");
inputBuilder.MergeAttribute("value", selectListItems[itemIndex].Value);
if (selectedValues.Contains(selectListItems[itemIndex].Value))
{
inputBuilder.MergeAttribute("checked", "checked");
}
if (isDisabled)
{
inputBuilder.MergeAttribute("disabled", "disabled");
}
var labelInner = inputBuilder + selectListItems[itemIndex].Text;
var labelBuilder = new TagBuilder("label");
labelBuilder.MergeAttribute("for", itemId);
labelBuilder.InnerHtml = labelInner;
var divBuilder = new TagBuilder("div");
//divBuilder.AddCssClass("checkbox");
if (isDisabled)
{
divBuilder.AddCssClass("disabled");
}
divBuilder.InnerHtml = labelBuilder.ToString();
var tdBuilder = new TagBuilder("td")
{
InnerHtml = divBuilder.ToString()
};
trBuilder.InnerHtml += tdBuilder.ToString();
}
tableBuilder.InnerHtml += trBuilder.ToString();
}
return(CustomControlHelper.GenerateWithValidationMessage(htmlHelper, tableBuilder.ToString(), expression));
}
public static MvcHtmlString ExtMultiSelectFor <TModel, TValue>(this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, IEnumerable <TValue> > > expression, IEnumerable <SelectListItem> values,
IEnumerable <TValue> selectedIds, string controlId, object htmlAttributes = null)
{
var isDisabled = false;
var html = htmlAttributes == null
? new RouteValueDictionary()
: new RouteValueDictionary(htmlAttributes);
if (html["disabled"] != null && html["disabled"].ToString() == "disabled")
{
isDisabled = true;
}
var selectListItems = values.ToList();
var leftListBuilder = new TagBuilder("select");
leftListBuilder.AddCssClass("form-control");
leftListBuilder.MergeAttribute("name", "leftList" + CustomControlHelper.GetControlCount("leftList"));
leftListBuilder.MergeAttribute("id", controlId + "_from");
leftListBuilder.MergeAttribute("size", "8");
leftListBuilder.MergeAttribute("multiple", "multiple");
if (isDisabled)
{
leftListBuilder.MergeAttribute("disabled", "disabled");
}
foreach (var selectListItem in selectListItems)
{
var optionBuilder = new TagBuilder("option");
optionBuilder.MergeAttribute("value", selectListItem.Value);
optionBuilder.SetInnerText(selectListItem.Text);
leftListBuilder.InnerHtml += optionBuilder.ToString();
}
var leftColumnBuilder = new TagBuilder("div");
leftColumnBuilder.AddCssClass("col-xs-5");
leftColumnBuilder.InnerHtml = leftListBuilder.ToString();
var rightAllIconBuilder = new TagBuilder("i");
rightAllIconBuilder.AddCssClass("glyphicon");
rightAllIconBuilder.AddCssClass("glyphicon-forward");
var rightAllButtonBuilder = new TagBuilder("button");
rightAllButtonBuilder.MergeAttribute("type", "button");
rightAllButtonBuilder.MergeAttribute("id", controlId + "_rightAll");
rightAllButtonBuilder.AddCssClass("btn");
rightAllButtonBuilder.AddCssClass("btn-block");
rightAllButtonBuilder.InnerHtml = rightAllIconBuilder.ToString();
var rightSelectedIconBuilder = new TagBuilder("i");
rightSelectedIconBuilder.AddCssClass("glyphicon");
rightSelectedIconBuilder.AddCssClass("glyphicon-chevron-right");
var rightSelectedButtonBuilder = new TagBuilder("button");
rightSelectedButtonBuilder.MergeAttribute("type", "button");
rightSelectedButtonBuilder.MergeAttribute("id", controlId + "_rightSelected");
rightSelectedButtonBuilder.AddCssClass("btn");
rightSelectedButtonBuilder.AddCssClass("btn-block");
rightSelectedButtonBuilder.InnerHtml = rightSelectedIconBuilder.ToString();
var leftSelectedIconBuilder = new TagBuilder("i");
leftSelectedIconBuilder.AddCssClass("glyphicon");
leftSelectedIconBuilder.AddCssClass("glyphicon-chevron-left");
var leftSelectedButtonBuilder = new TagBuilder("button");
leftSelectedButtonBuilder.MergeAttribute("type", "button");
leftSelectedButtonBuilder.MergeAttribute("id", controlId + "_leftSelected");
leftSelectedButtonBuilder.AddCssClass("btn");
leftSelectedButtonBuilder.AddCssClass("btn-block");
leftSelectedButtonBuilder.InnerHtml = leftSelectedIconBuilder.ToString();
var leftAllIconBuilder = new TagBuilder("i");
leftAllIconBuilder.AddCssClass("glyphicon");
leftAllIconBuilder.AddCssClass("glyphicon-backward");
var leftAllButtonBuilder = new TagBuilder("button");
leftAllButtonBuilder.MergeAttribute("type", "button");
leftAllButtonBuilder.MergeAttribute("id", controlId + "_leftAll");
leftAllButtonBuilder.AddCssClass("btn");
leftAllButtonBuilder.AddCssClass("btn-block");
leftAllButtonBuilder.InnerHtml = leftAllIconBuilder.ToString();
if (isDisabled)
{
rightAllButtonBuilder.AddCssClass("disabled");
rightSelectedButtonBuilder.AddCssClass("disabled");
leftSelectedButtonBuilder.AddCssClass("disabled");
leftAllButtonBuilder.AddCssClass("disabled");
rightAllButtonBuilder.MergeAttribute("disabled", "disabled");
rightSelectedButtonBuilder.MergeAttribute("disabled", "disabled");
leftSelectedButtonBuilder.MergeAttribute("disabled", "disabled");
leftAllButtonBuilder.MergeAttribute("disabled", "disabled");
}
var middleColumnBuilder = new TagBuilder("div");
middleColumnBuilder.AddCssClass("col-xs-2");
middleColumnBuilder.InnerHtml += rightAllButtonBuilder.ToString();
middleColumnBuilder.InnerHtml += rightSelectedButtonBuilder.ToString();
middleColumnBuilder.InnerHtml += leftSelectedButtonBuilder.ToString();
middleColumnBuilder.InnerHtml += leftAllButtonBuilder.ToString();
var variableName = ExpressionHelper.GetExpressionText(expression);
var itemName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(variableName);
var rightListBuilder = new TagBuilder("select");
rightListBuilder.AddCssClass("form-control");
rightListBuilder.MergeAttribute("name", itemName);
rightListBuilder.MergeAttribute("id", controlId + "_to");
rightListBuilder.MergeAttribute("size", "8");
rightListBuilder.MergeAttribute("multiple", "multiple");
if (isDisabled)
{
rightListBuilder.MergeAttribute("disabled", "disabled");
}
foreach (var selectedId in selectedIds)
{
var selectedItem = selectListItems.FirstOrDefault(x => x.Value == selectedId.ToString());
if (selectedItem == null)
{
continue;
}
var optionBuilder = new TagBuilder("option");
optionBuilder.MergeAttribute("value", selectedItem.Value);
optionBuilder.SetInnerText(selectedItem.Text);
rightListBuilder.InnerHtml += optionBuilder.ToString();
}
var rightColumnBuilder = new TagBuilder("div");
rightColumnBuilder.AddCssClass("col-xs-5");
rightColumnBuilder.InnerHtml = rightListBuilder.ToString();
var rowBuilder = new TagBuilder("div");
rowBuilder.AddCssClass("row");
rowBuilder.InnerHtml = leftColumnBuilder.ToString();
rowBuilder.InnerHtml += middleColumnBuilder.ToString();
rowBuilder.InnerHtml += rightColumnBuilder.ToString();
var scriptBuilder = new TagBuilder("script");
scriptBuilder.MergeAttribute("type", "text/javascript");
scriptBuilder.InnerHtml = "jQuery(document).ready(function($) { $('#" + controlId + "').multiselect(); });";
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine(rowBuilder.ToString());
stringBuilder.AppendLine(scriptBuilder.ToString());
return(CustomControlHelper.GenerateWithValidationMessage(htmlHelper, stringBuilder.ToString(), expression));
}
